[PIG-3527] Allow PigProcessor to handle multiple inputs

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: tez-branch
• Component/s: tez
• Assignee: Mark Wagner
• Reporter: Mark Wagner
• Created: 19/Oct/13 00:25
• Updated: 21/Nov/14 05:59
• Resolved: 29/Nov/13 00:05

Description

The PigProcessor needs to be able to handle multiple distinct inputs. These can come in a variety of flavors including multiple "file" inputs (Merge join), multiple shuffle inputs (Hash Join / Co-group), and a mix (Replicated Join).